bitin

例句：

1. 1. Heused a bitin to cut the meatinto small pieces.
   他用一把小刀把肉切成小块。
2. 2. The chef carefully sharpened eachbitin with a stone.
   厨师用石头仔细磨利了每把刀。
3. 3. The oldman kept his bitin in his pocketfor years.
   这位老人把他的刀片放在口袋里好多年了。